Purification of CRM 197 from bacteria
US11174284B2 · kind B2 · utility
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16Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 3, 2018 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Apr 3, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K14/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to the use of redox agents for purification of the CRM 197 variant of diphtheria toxin. The invention further relates to multi-step purification of CRM 197 from bacterial fermentates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.